Energy was last better‑than‑free: yesterday Next

On the Agile Octopus tariff, customers get paid to use electricity when there’s too much in the grid.

That’s cheaper than Octopus Energy paying to store it.

The price changes every half-hour.

How free electricity works

Period

Region

Negative prices all weekend

Sat 11 Apr · Sun 12 Apr

What caused it · More notable days

Saturday 11 Apr 2026 · half-hourly prices

South Eastern England

Price for each half-hour
Negative price (you’re paid to use power)

Stats for Saturday 11 Apr 2026

−11.6p

Cheapest half-hour 2.30pm – 3pm

15.1p

Dearest half-hour 6.30pm – 7pm

18 hours

Negative prices in 3 spells

−9.3p avg

Cheapest 3 hours 1pm – 4pm

−2.3p

Average price on 11 Apr 2026

Show as a table

Time	Price
12am – 12.30am	−1.1p
12.30am – 1am	−2.4p
1am – 1.30am	−2.6p
1.30am – 2am	−3.5p
2am – 2.30am	−2.4p
2.30am – 3am	−2.6p
3am – 3.30am	−2.8p
3.30am – 4am	−2.9p
4am – 4.30am	−2.2p
4.30am – 5am	−3.4p
5am – 5.30am	−5.4p
5.30am – 6am	−6.0p
6am – 6.30am	−7.1p
6.30am – 7am	−4.9p
7am – 7.30am	−5.8p
7.30am – 8am	−2.6p
8am – 8.30am	−5.5p
8.30am – 9am	−2.3p
9am – 9.30am	−6.0p
9.30am – 10am	−8.1p
10am – 10.30am	−4.9p
10.30am – 11am	−5.8p
11am – 11.30am	−6.3p
11.30am – 12pm	−8.4p
12pm – 12.30pm	−7.9p
12.30pm – 1pm	−8.1p
1pm – 1.30pm	−8.1p
1.30pm – 2pm	−10.0p
2pm – 2.30pm	−8.4p
2.30pm – 3pm	−11.6p
3pm – 3.30pm	−9.0p
3.30pm – 4pm	−8.4p
4pm – 4.30pm	3.1p
4.30pm – 5pm	7.2p
5pm – 5.30pm	6.8p
5.30pm – 6pm	12.5p
6pm – 6.30pm	13.2p
6.30pm – 7pm	15.1p
7pm – 7.30pm	−0.0p
7.30pm – 8pm	0.9p
8pm – 8.30pm	2.6p
8.30pm – 9pm	2.3p
9pm – 9.30pm	3.6p
9.30pm – 10pm	2.2p
10pm – 10.30pm	2.6p
10.30pm – 11pm	−0.9p
11pm – 11.30pm	−1.2p
11.30pm – 12am	−3.9p